Finding the Fourth Proportional to 2,451.71, 3,677.55 and 892.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.71 : 3,677.55 = 892.07 : x
2. Step 2: Convert to fraction form
   2,451.71/3,677.55 = 892.07/x
3. Step 3: Cross multiply
   2,451.71x = 3,677.55 × 892.07
4. Step 4: Simplify right side
   2,451.71x = 3,280,613.64
5. Step 5: Solve for x
   x = 3,280,613.64/2,451.71
6. Step 6: Final answer
   x = 1,338.09